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Finding the Fourth Proportional to 592.83, 888.30 and 427.46

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Solution

The fourth proportional to 592.83, 888.30 and 427.46 is: 640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.83 : 888.30 = 427.46 : x
  2. Step 2: Convert to fraction form
    592.83/888.30 = 427.46/x
  3. Step 3: Cross multiply
    592.83x = 888.30 × 427.46
  4. Step 4: Simplify right side
    592.83x = 379,708.28
  5. Step 5: Solve for x
    x = 379,708.28/592.83
  6. Step 6: Final answer
    x = 640.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.